<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>regist</title>
</head>
<body>
<form action="regist" method="post">
<input type="text" placeholder="name" name="name"><br>
<input type="password" placeholder="password" name="password"><br>
<input type="text"  placeholder="age"  name="age"><br>
<input type="radio" name="sex" value="true" checked>male
<input type="radio" name="sex" value="false" >female
<button>regist</button>
</form>
</body>
</html>